From 555dfdcff6d56531d1f4e21f206314ef67c9c3b8 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 2 May 2017 23:27:21 +0200 Subject: cleanup --- kdf.go | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 kdf.go (limited to 'kdf.go') diff --git a/kdf.go b/kdf.go new file mode 100644 index 0000000..8926216 --- /dev/null +++ b/kdf.go @@ -0,0 +1,21 @@ +package main + +import ( + "dim13.org/signify/bhash" + "dim13.org/signify/key" +) + +func Kdf(enc *key.Enc, ask func() (string, error)) error { + if enc.KDFRounds == 0 { + return nil + } + pass, err := ask() + if err != nil { + return err + } + xor := bhash.Pbkdf([]byte(pass), enc.Salt[:], int(enc.KDFRounds), len(enc.Key)) + for i := range xor { + enc.Key[i] ^= xor[i] + } + return nil +} -- cgit v1.2.3